Home / 2,792,581.40-3,854,075.15-1,690,620.21

Finding the Fourth Proportional to 2,792,581.40, 3,854,075.15 and 1,690,620.21

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Solution

The fourth proportional to 2,792,581.40, 3,854,075.15 and 1,690,620.21 is: 2,333,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792,581.40 : 3,854,075.15 = 1,690,620.21 : x
  2. Step 2: Convert to fraction form
    2,792,581.40/3,854,075.15 = 1,690,620.21/x
  3. Step 3: Cross multiply
    2,792,581.40x = 3,854,075.15 × 1,690,620.21
  4. Step 4: Simplify right side
    2,792,581.40x = 6,515,777,343,675.33
  5. Step 5: Solve for x
    x = 6,515,777,343,675.33/2,792,581.40
  6. Step 6: Final answer
    x = 2,333,245.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.